M:tG card similarity search
| Name | Mana | Type | Text | 
|---|---|---|---|
| Stone Calendar | 5 | Artifact | Spells you cast cost up to {1} less to cast. | 
| Cheap Ass | 1W | Creature — Donkey Townsfolk | Spells you cast cost {½} less to cast. 1/3.5 | 
| Sapphire Medallion | 2 | Artifact | Blue spells you cast cost {1} less to cast. | 
| Urza's Filter | 4 | Artifact | Multicolored spells cost up to {2} less to cast. | 
| Helm of Awakening | 2 | Artifact | Spells cost {1} less to cast. | 
| Sunscape Familiar | 1W | Creature — Wall | Defender (This creature can't attack.) Green spells and blue spells you cast cost {1} less to cast. 0/3 | 
| March of Swirling Mist | XU | Instant | As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.) | 
| Stormscape Familiar | 1U | Creature — Bird | Flying White spells and black spells you cast cost {1} less to cast. 1/1 | 
| Herald of Kozilek | 1UR | Creature — Eldrazi Drone | Devoid (This card has no color.) Colorless spells you cast cost {1} less to cast. 2/4 | 
| Herald of Slaanesh | 2R | Creature — Demon | Locus of Slaanesh — Demon spells you cast cost {2} less to cast. Other Demons you control have haste. 2/2 |